Microsoft Exchange Server depends on Internet Information Services (IIS). Sometimes you have to restart IIS, which you can do through IIS management or the console (Command Prompt or PowerShell). But what if you have more than multiple Exchange Servers running,…
A lot of bots attack the Exchange Server OWA and ECP page constantly. It's the (security) engineers task to secure and protect the Exchange Server OWA/ECP URLs from attacks. Measures such as Multi-Factor Authentication (MFA) or only making the OWA/ECP…
You must disable the account or change the user account password because a security breach occurred. The user has an Exchange mailbox linked to the account. Disabling the user in Active Directory and thinking that you are done now is…
Security is essential for every organization, so you should configure Multi-Factor Authentication (MFA) for every user in the Microsoft 365 tenant. Not only that but there are also other MFA options you need to enable to improve MFA security. In…
Every organization knows that security is essential and needs to be solid. Nowadays, every organization enables MFA and thinks that they are protected and done. Well, hold your horses because that's not the case. What if a user gets an…
Every user in Active Directory will have remote PowerShell enabled by default. For security reasons, it's strongly recommended to disable remote PowerShell access for non-admins and service accounts in the organization. In this article, you will learn how to disable…
Great Microsoft engineers maintain the Exchange Server Health Checker PowerShell script. The script is excellent because they listen to feedback and are fast at pushing changes. A new update to the script will now show the correct vulnerability information if…
Every organization knows that security is essential and needs to be solid. Nowadays, every organization enables MFA and thinks that they are protected and done. Well, hold your horses because that's not the case. What if a user gets an…
The Office 365 Hybrid Configuration Wizard uses the ClickOnce as deployment technology. While this is great, there are a lot of problems. For example, the ClickOnce application is not launching, or the ClickOnce application cannot be started error. While this…
Microsoft released several Security Updates (SUs) for Microsoft Exchange Server to address vulnerabilities. Due to the critical nature of these vulnerabilities, we recommend that customers apply the updates to affected systems immediately to protect the environment. Note: These vulnerabilities affect…